US20040119290A1 - Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery - Google Patents
Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery Download PDFInfo
- Publication number
- US20040119290A1 US20040119290A1 US10/324,513 US32451302A US2004119290A1 US 20040119290 A1 US20040119290 A1 US 20040119290A1 US 32451302 A US32451302 A US 32451302A US 2004119290 A1 US2004119290 A1 US 2004119290A1
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- keys
- battery
- electrical current
- electrical
- generator
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1635—Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1662—Details related to the integrated keyboard
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
Definitions
- the present invention relates to portable battery powered personal computers such as laptop computers, and particularly to maximizing the charge on the battery, and consequently the period of time that the computer can be used on battery power.
- the present invention does not eliminate AC adapter plug-in carrying or the need to recharge the portable computer battery, it offers an implementation that should extend the battery chargeablity and, consequently, the period of time on battery operation by about 25%.
- the present invention provides a system for a battery powerable portable computer with keyboard input that extends the battery charge lifetime during time periods when the computer is being operated in a battery powered mode comprising the combination of a battery providing power to the computer, a keyboard providing input to the computer through user keystrokes, apparatus operatively associated with each of a set of keys in the keyboard for converting the mechanical motion respectively applied to each of said set of keys during keystrokes to generate an electrical current, and an electrical connector for applying said electrical current to charge said battery.
- the apparatus for converting the mechanical motion to generate an electrical current should include at least one electrical generator.
- this converting apparatus includes a set of electrical generators, each respectively associated with a corresponding one of said keys.
- each of the set of corresponding keys includes a magnetic key shaft movable during a keystroke; and the system further includes a plurality of conductive coils, each coil encircling a respective one of the magnetic key shafts whereby each magnetic shaft and encircling coil provides one of the set of electrical generators.
- the set of keys with such associated current generation need not be all of the keys on the keyboard; a set of the most frequently used keys, such as most of the vowels and “d, t, r, s” may provide sufficient supplemental current for charging.
- piezoelectrical devices may be associated with each of a set of keys to convert the keystroke motions into electrical current.
- a single generator may be used. It would preferably be a small turbo-generator driven pneumatically or hydraulically by a fluid: gas or liquid cumulative stream driven by the cumulative motion of all of the set of keys.
- each of the set of keys includes a shaft piston movable during a keystroke to pneumatically drive a gas stream; and further includes a pneumatically driven turbo-generator and a conduit for pneumatically conducting the gas streams from each of the set of keys to drive said turbo-generator, whereby the electrical current is generated.
- each of the set of keys includes a shaft piston movable during a keystroke to hydraulically drive a gas stream; and further includes a hydraulically driven turbo-generator, and a conduit for hydraulically conducting the gas streams from each of the set of keys to drive said turbo-generator whereby the electrical current is generated.
- the set of keys with such associated fluid driving pistons need not be all of the keys on the keyboard; a set of the most frequently used keys, such as most of the vowels and “d, t, r, s” may provide a sufficient stream of fluids to drive the turbo-generator to provide the current for charging.
- FIG. 1 is a generalized diagrammatic view showing how the fluid driven turbo-generator embodiment of a laptop computer of this invention may be used to provide the auxiliary battery charge during battery powering;
- FIG. 2 is a diagrammatic side view of the fluid driven turbo-generator embodiment portion of the laptop computer of FIG. 1;
- FIG. 3 is a diagrammatic side view like that of FIG. 2 but of the alternative individual key coil and magnetic shaft generator embodiment portion of the laptop computer of this invention.
- FIG. 1 there is diagrammatically shown a in schematic form, a typical laptop computer available from International Business Machines Corporation (IBM) or Dell Corporation modified to accommodate the present invention.
- the laptop is powered by a microprocessor 11 that controls all of its functions via an operating system, e.g. Windows98TM.
- the laptop has memory, both Read Only Memory (ROM) 13 and Random Access Memory (RAM) 14 .
- the RAM stores the data files and application software while the computer is on.
- the ROM chip includes the system BIOS.
- the data storage for the laptop is provided by a hard drive or disk drive, as well as through CD/DVD, as well as floppy disks or the larger capacity Zip disk inputs.
- the CPU controls outputs to suitable printers 15 , as well as to the Liquid Crystal Display (LCD) 12 .
- the CPU controls power management applications 16 to control, AC plug supplies 17 , batteries 18 , as well as the battery recharging.
- LCD Liquid Crystal Display
- Keyboard 10 has the conventional keys 21 . However, a set of these keys are modified as shown in FIG. 2 to provide the pneumatic drive. The set need not be all of the keys in the keyboard, but it should include a number of frequently struck keys sufficient to pneumatically drive the turbo-generator to produce current needed to extend the battery charge during the battery powered operations.
- the keys 21 are biased to their initial positions by springs 22 . When a key is struck, key shaft 32 drives piston 33 to drive the pneumatic gas, e.g. air in the direction 34 shown.
- Rotor 29 acts as a flywheel providing the inertia to continue to rotate during uneven keystroke input. It is similar to a disk drive platter, and may be mounted in approximately the same space.
- FIGS. 1 and 2 could be modified to use a hydraulic fluid, i.e. liquid in place of the pneumatic drive of FIG. 1.
- the functional elements including the turbo-generator would operate in the same manner.
- FIG. 3 Another simple embodiment will be described with respect to FIG. 3. This in effect uses a set of keys that may be all of the keys in the keyboard or at least a set of a lessor number of the keys that are the most frequently used keys.
- the keys 21 are biased to their initial positions by springs 22 .
- the key shafts 32 are magnets. Thus, when they pass through surrounding conductive coils 36 , they in effect act as individual generators producing electrical currents that are combined into connector 37 and, thus, applied to charge battery 18 .
Abstract
Description
- The present invention relates to portable battery powered personal computers such as laptop computers, and particularly to maximizing the charge on the battery, and consequently the period of time that the computer can be used on battery power.
- Since their commercial introduction in the mid 1980's, battery powered personal computers, particularly laptop computers, have sold in the hundreds of millions and have become an industry staple. The human factors, i.e. ease of use of such laptops, e.g. size, weight, clarity and size of display and response time have continually been improved to point that it appears as if virtually everyone who regularly uses computers is carrying a laptop around.
- The one property of laptop computers that has trailed the other properties in improvement has been the period of time that the computer can be used under battery power that is directly related to ability to apply a recharge to the battery and the ability of the battery to retain a charge. It appears that the charge retentive time period that a laptop may be battery powered in use has been about two and at most four hours. This is too short for many airplane trips for example. The result has been the now classic example of dozens of business people or students trailing about in transportation terminals, public buildings and restaurants carrying along the one pound AC adapter and looking for an AC plug-in for their laptops. This, of course, makes the laptops a little less portable and convenient to use.
- While the present invention does not eliminate AC adapter plug-in carrying or the need to recharge the portable computer battery, it offers an implementation that should extend the battery chargeablity and, consequently, the period of time on battery operation by about 25%. The present invention provides a system for a battery powerable portable computer with keyboard input that extends the battery charge lifetime during time periods when the computer is being operated in a battery powered mode comprising the combination of a battery providing power to the computer, a keyboard providing input to the computer through user keystrokes, apparatus operatively associated with each of a set of keys in the keyboard for converting the mechanical motion respectively applied to each of said set of keys during keystrokes to generate an electrical current, and an electrical connector for applying said electrical current to charge said battery. The apparatus for converting the mechanical motion to generate an electrical current should include at least one electrical generator.
- In one desirable embodiment, this converting apparatus includes a set of electrical generators, each respectively associated with a corresponding one of said keys. In one application of this embodiment, each of the set of corresponding keys includes a magnetic key shaft movable during a keystroke; and the system further includes a plurality of conductive coils, each coil encircling a respective one of the magnetic key shafts whereby each magnetic shaft and encircling coil provides one of the set of electrical generators. In this connection, the set of keys with such associated current generation need not be all of the keys on the keyboard; a set of the most frequently used keys, such as most of the vowels and “d, t, r, s” may provide sufficient supplemental current for charging.
- Also, piezoelectrical devices may be associated with each of a set of keys to convert the keystroke motions into electrical current.
- In accordance with another embodiment of this invention, a single generator may be used. It would preferably be a small turbo-generator driven pneumatically or hydraulically by a fluid: gas or liquid cumulative stream driven by the cumulative motion of all of the set of keys. In one such embodiment, each of the set of keys includes a shaft piston movable during a keystroke to pneumatically drive a gas stream; and further includes a pneumatically driven turbo-generator and a conduit for pneumatically conducting the gas streams from each of the set of keys to drive said turbo-generator, whereby the electrical current is generated. In a similar embodiment, each of the set of keys includes a shaft piston movable during a keystroke to hydraulically drive a gas stream; and further includes a hydraulically driven turbo-generator, and a conduit for hydraulically conducting the gas streams from each of the set of keys to drive said turbo-generator whereby the electrical current is generated.
- Also, with such fluid stream driven generators, the set of keys with such associated fluid driving pistons need not be all of the keys on the keyboard; a set of the most frequently used keys, such as most of the vowels and “d, t, r, s” may provide a sufficient stream of fluids to drive the turbo-generator to provide the current for charging.
- The present invention will be better understood and its numerous objects and advantages will become more apparent to those skilled in the art by reference to the following drawings, in conjunction with the accompanying specification, in which:
- FIG. 1 is a generalized diagrammatic view showing how the fluid driven turbo-generator embodiment of a laptop computer of this invention may be used to provide the auxiliary battery charge during battery powering;
- FIG. 2 is a diagrammatic side view of the fluid driven turbo-generator embodiment portion of the laptop computer of FIG. 1; and
- FIG. 3 is a diagrammatic side view like that of FIG. 2 but of the alternative individual key coil and magnetic shaft generator embodiment portion of the laptop computer of this invention.
- Referring to FIG. 1, there is diagrammatically shown a in schematic form, a typical laptop computer available from International Business Machines Corporation (IBM) or Dell Corporation modified to accommodate the present invention. The laptop is powered by a
microprocessor 11 that controls all of its functions via an operating system, e.g. Windows98™. The laptop has memory, both Read Only Memory (ROM) 13 and Random Access Memory (RAM) 14. The RAM stores the data files and application software while the computer is on. The ROM chip includes the system BIOS. The data storage for the laptop is provided by a hard drive or disk drive, as well as through CD/DVD, as well as floppy disks or the larger capacity Zip disk inputs. The CPU controls outputs tosuitable printers 15, as well as to the Liquid Crystal Display (LCD) 12. The CPU controlspower management applications 16 to control,AC plug supplies 17,batteries 18, as well as the battery recharging. - There will now be described a pneumatically driven recharging operation with respect to FIGS. 1 and 2. Keyboard10 has the
conventional keys 21. However, a set of these keys are modified as shown in FIG. 2 to provide the pneumatic drive. The set need not be all of the keys in the keyboard, but it should include a number of frequently struck keys sufficient to pneumatically drive the turbo-generator to produce current needed to extend the battery charge during the battery powered operations. Thekeys 21 are biased to their initial positions bysprings 22. When a key is struck,key shaft 32 drives piston 33 to drive the pneumatic gas, e.g. air in thedirection 34 shown. The collective air stream from all of the, thus, fitted key pistons is driven as keys are struck in the direction shown incollective conduit 20 into enclosedpneumatic chamber 23 wherein the pneumatic stream impinges upon curved blades onrotor wheel 24 in the direction shown in FIG. 1. This in turn rotatesshaft 27 to thereby rotate the hydro-generator rotor 28 affixed to the shaft. As windings inrotor 28 are rotated past thewindings 30 instator 29, the electrical current is generated that is applied viaconnector 31 to chargebattery 18. - The resulting structure shown is a miniaturized turbo-generator that is comparable in size to the standard disk drives mounted in laptop computers and may be fabricated by the same technology.
Rotor 29 acts as a flywheel providing the inertia to continue to rotate during uneven keystroke input. It is similar to a disk drive platter, and may be mounted in approximately the same space. - It will be understood that the fluid drive turbo-generator embodiment of FIGS. 1 and 2 could be modified to use a hydraulic fluid, i.e. liquid in place of the pneumatic drive of FIG. 1. The functional elements including the turbo-generator would operate in the same manner.
- Another simple embodiment will be described with respect to FIG. 3. This in effect uses a set of keys that may be all of the keys in the keyboard or at least a set of a lessor number of the keys that are the most frequently used keys. The
keys 21 are biased to their initial positions bysprings 22. Thekey shafts 32 are magnets. Thus, when they pass through surroundingconductive coils 36, they in effect act as individual generators producing electrical currents that are combined intoconnector 37 and, thus, applied to chargebattery 18. - Although certain preferred embodiments have been shown and described, it will be understood that many changes and modifications may be made therein without departing from the scope and intent of the appended claims.
Claims (17)
Priority Applications (1)
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US10/324,513 US6774502B2 (en) | 2002-12-19 | 2002-12-19 | Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery |
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US10/324,513 US6774502B2 (en) | 2002-12-19 | 2002-12-19 | Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery |
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US20040119290A1 true US20040119290A1 (en) | 2004-06-24 |
US6774502B2 US6774502B2 (en) | 2004-08-10 |
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US10/324,513 Expired - Lifetime US6774502B2 (en) | 2002-12-19 | 2002-12-19 | Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040132420A1 (en) * | 2002-12-19 | 2004-07-08 | Atsushi Yoshizawa | Mobile communication terminal device and variable gain circuit |
WO2012017420A2 (en) | 2010-08-05 | 2012-02-09 | Buechel Christoph | Portable device with improved energy autonomy |
CN104989587A (en) * | 2015-07-12 | 2015-10-21 | 陈卡丹 | Water power portable power source |
Families Citing this family (7)
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US20040153677A1 (en) * | 2003-02-05 | 2004-08-05 | Ming-Zhen Liao | Self-generator device of portable computer |
US20040164704A1 (en) * | 2003-02-24 | 2004-08-26 | Tai-Her Yang | Integrated charger with multi-form input sources |
AT501725B1 (en) * | 2006-02-21 | 2006-11-15 | Evva Werke | DEVICE FOR OPERATING A MEMBER WITH AN ELECTRIC GENERATOR |
US7554212B2 (en) * | 2006-08-30 | 2009-06-30 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Mechanically powered cordless pointing device |
US20080174270A1 (en) * | 2007-01-22 | 2008-07-24 | Guillermo Castano De La Serna | Integrated battery and charger for laptop computer |
US20180069454A1 (en) * | 2016-09-07 | 2018-03-08 | Oran Wiley Greene | Perpetutek |
CN108983990B (en) * | 2018-09-13 | 2021-04-20 | 深圳市春秋电子科技有限公司 | Pneumatic self-cleaning keyboard |
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US5630155A (en) * | 1990-06-05 | 1997-05-13 | Seiko Epson Corporation | Portable computer system with mechanism for accumulating mechanical energy for powering the system |
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US20040132420A1 (en) * | 2002-12-19 | 2004-07-08 | Atsushi Yoshizawa | Mobile communication terminal device and variable gain circuit |
US7149487B2 (en) * | 2002-12-19 | 2006-12-12 | Sony Ericsson Mobile Communications Japan, Inc. | Mobile communication terminal device and variable gain circuit |
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CN104989587A (en) * | 2015-07-12 | 2015-10-21 | 陈卡丹 | Water power portable power source |
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